News event evolution model based on the reading willingness and modified TF-IDF formula.
Angzhan WenWeiwei LinYacong MaHaoan XieGuoqiang ZhangPublished in: J. High Speed Networks (2017)
Keyphrases
- tf idf
- news articles
- text documents
- news stories
- weighting scheme
- text categorization
- term frequency
- document clustering
- information retrieval
- term weighting
- vector space model
- keywords
- text mining
- text classification
- ranking algorithm
- retrieval model
- inverse document frequency
- language modelling
- wordnet
- bag of words
- machine learning
- information extraction
- data analysis
- neural network